Fig. 1.
Direct and indirect carbonyl crotylation. IPC, (−)-isopinocampheyl; DBU, 1,8 diazabicyclo[5.4.0]undec-7-ene; dppf, 1,1,-bis(diphenylphosphino)ferrocene, TBAF, tetrabutylammonium fluoride; MW, molecular weight; dr, diastereomeric ratio.
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